If I recall correctly, these integrated "AI accelerators" from both Intel and AMD are actually rather underpowered in comparison to an actual GPU (even the iGPU

If I recall correctly, these integrated "AI accelerators" from both Intel and AMD are actually rather underpowered in comparison to an actual GPU (even the iGPU), at least in their current forms. So they don't have any performance advantage, but was put in place for power efficiency.